# CVE-2016-8745: Concurrent Execution using Shared Resource with Improper Synchronization in Apache Tomcat

Source: https://junglewise.ai/threats/cve-2016-8745-concurrent-execution-using-shared-resource-with-improper  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-14  
License: CC BY 4.0 with a link back

CVE-2016-8745 · Severity: low · CVSS 3 · Published 2022-05-14

Concurrent Execution using Shared Resource with Improper Synchronization in Apache Tomcat

Technologies: [org.apache.tomcat:tomcat-util (Maven)](https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat-util). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2016-8745 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2016-8745 being exploited in the wild.

**How severe is CVE-2016-8745?** Low severity, with a CVSS score of 3, published 14 May 2022.

**Which products and versions are affected?** org.apache.tomcat:tomcat-util (Maven) ECOSYSTEM:introduced=9.0.0.M1,fixed=9.0.0.M14.

**Is there a fix for CVE-2016-8745?** Yes. org.apache.tomcat:tomcat-util (Maven): upgrade to 9.0.0.M14 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2016-8745?** Check whether you run org.apache.tomcat:tomcat-util (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.apache.tomcat:tomcat-util (Maven): upgrade to 9.0.0.M14 or later

  ```sh
  # set org.apache.tomcat:tomcat-util to 9.0.0.M14 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.tomcat:tomcat-util (Maven) ECOSYSTEM:introduced=9.0.0.M1,fixed=9.0.0.M14

## Identifiers

- CVE-2016-8745
- GHSA-w3j5-q8f2-3cqq

## Related threats

- [Apache Tomcat improper error handling in FFM connector CRL configuration](https://junglewise.ai/threats/cve-2026-53434-apache-tomcat-improper-error-handling-in-ffm-connector-crl)
- [Apache Tomcat information leak via incomplete object cleanup](https://junglewise.ai/threats/cve-2023-42795-apache-tomcat-information-leak-via-incomplete-object-cleanup)
- [Apache Tomcat improperly escapes input from JsonErrorReportValve](https://junglewise.ai/threats/cve-2022-45143-apache-tomcat-improperly-escapes-input-from-jsonerrorreportvalve)
- [Improper Neutralization of CRLF Sequences in HTTP Headers in Apache Tomcat](https://junglewise.ai/threats/cve-2014-0099-improper-neutralization-of-crlf-sequences-in-http-headers-in)